----------------
**2023-12-06**
* Python 3.7 support removed
(https://github.com/NCAS-CMS/cfdm/issues/274)
* Implemented the reading and manipulation of UGRID mesh topologies
for CF-1.11 (https://github.com/NCAS-CMS/cfdm/issues/270)
* New methods: `cfdm.Field.cell_connectivity`,
`cfdm.Field.cell_connectivities`
* New methods: `cfdm.Field.domain_topology`,
`cfdm.Field.domain_topologies`
* New methods: `cfdm.Field.del_mesh_id`, `cfdm.Field.get_mesh_id`,
`cfdm.Field.has_mesh_id`, `cfdm.Field.set_mesh_id`,
* New attribute: `cfdm.Data.sparse_array`
* New dependency: ``scipy>=1.10.0``
----